Answer:
The answer is below
Step-by-step explanation:
a) For a normal model the sample size has to be equal or greater than 30 so that it can be a normal distribution.
b) Given that:
μ = 11.2 minutes, σ = 4.8 minutes, n = 45
The z score determines how many standard deviations the raw score is above or below the mean. It is given by:
For x < 10 minutes
Therefore from the normal distribution table, P(x < 10) = P(z < -1.68) = 0.0465
Answer:
Point form: (5,-3)
Equation form: x=5, y=-3
Step-by-step explanation:
Hope this helps <3
The formula for volume is length×width×height (lwh). So if the length, width and height are the same, then the measurement of each is the cube root of 729:
So the length of each side of the prism is 9ft
Answer
1.386 billion.
Step-by-step explanation: